th.header
{
    background-image: url("../img/unsorted.gif");
    background-repeat: no-repeat;
    background-position: right;
    cursor: pointer;
    padding-right: 20px;
    text-decoration: underline;
}

th.headerSortUp
{
    background-image: url("../img/asc.gif");
    background-repeat: no-repeat;
    background-position: right;
}

th.headerSortDown
{
    background-image: url("../img/desc.gif");
    background-repeat: no-repeat;
    background-position: right;
}